The largest holder of Ensign stock is BlackRock Advisors LLC, with 5.5 million shares (9.49% of the company), worth about $953.00 million as of September 25, 2026. The 10 largest holders together own 47.3%.
In Q2 2026, 569 institutional holdings reports listed shares worth $8.53 billion.
Insiders reported 100 transactions in the last two years: 40 sales worth $17.86 million and no purchases. The newest one on file is from May 4, 2026 (Smith Barry M, Director).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 4, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 5.5 million | 9.49% | $953.0M |
| Baillie Gifford & Co. | 5.0 million | 8.63% | $866.0M |
| Vanguard Portfolio Management LLC | 2.9 million | 4.92% | $494.0M |
| Vanguard Capital Management LLC | 2.6 million | 4.50% | $452.0M |
| Fidelity Management & Research Co. LLC | 2.5 million | 4.36% | $437.0M |
| Wasatch Advisors LP | 2.3 million | 3.91% | $392.0M |
| Capital Research & Management Co. (Global Investors) | 2.0 million | 3.46% | $348.0M |
| State Street Corporation | 1.8 million | 3.08% | $310.0M |
| Geode Capital Management LLC | 1.7 million | 2.86% | $287.0M |
| Christopher Christensen2.031 % | 1.2 million | 2.03% | $204.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 569 | – | $8.5B |
| Q1 2026 | 588 | 53.6 million | $10.8B |
| Q4 2025 | 581 | 54.9 million | $9.6B |
| Q3 2025 | 523 | 54.5 million | $9.4B |
| Q2 2025 | 507 | 54.0 million | $8.3B |
| Q1 2025 | 497 | 53.5 million | $6.9B |
| Q4 2024 | 510 | 52.7 million | $7.0B |
| Q3 2024 | 488 | 54.7 million | $7.9B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Smith Barry M | May 4, 2026 | Director | Sale at price 182.21 per share. | $127,547 |
| Agwunobi John O | Apr 20, 2026 | Director | Sale at price 199.97 per share. | $78,388 |
| Parkinson Mark Vincent | Apr 16, 2026 | Director | Sale at price 196.60 per share. | $19,660 |
| Smith Barry M | Apr 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Blouin Ann Scott | Apr 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Abbott Swati Bargotra | Apr 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Parkinson Mark Vincent | Apr 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Shaw Daren J | Apr 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Agwunobi John O | Apr 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Smith Barry M | Apr 2, 2026 | Director | Sale at price 196.65 per share. | $137,655 |
| Smith Barry M | Mar 2, 2026 | Director | Sale at price 213.02 per share. | $149,114 |
| Snapper Suzanne D. | Feb 26, 2026 | Chief Financial Officer | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 100 insider transactions in the last two years.
BlackRock Advisors LLC, with 9.49% of the company (as of September 25, 2026). Next: Baillie Gifford & Co. (8.63%) and Vanguard Portfolio Management LLC (4.92%).
569 institutional holdings reports listed Ensign shares in Q2 2026 worth $8.53 billion.
In the last two years insiders reported 40 sales and no purchases (100 transactions in all); the newest on file is from May 4, 2026.